Solve the system of equations by the addition method.
A. no solution
B. (5, 2)
C. 
D. (-3, 3)
Answer: A
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Which of the graphs shows the solution of the given initial value problem?
= -4x, y = -1 when x = 1
A. 
B. 
C. 
D. 
Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them.x + 3y - 2z - w = 104x + y + z + 2w = 33-3x - y - 3z - 2w = -33 x - y - 3z -2w = -17
A. x = 3, y = 7, z = -2, w = 7 B. x = 4, y = 5, z = 2, w = 5 C. x = 10, y = 33, z = -33, w = -17 D. Inconsistent
Find the equation of the hyperbola satisfying the given conditions. The center is at the origin.Passes through (3, 2), focus (0, 2)
A. y2 - 
= 1
B. 
- y2 = 1
C. 
- x2 = 1
D. x2 - 
= 1
Find a cofunction with the same value as the given expression.csc 13°
A. sec 13° B. sec 77° C. sec 103° D. sin 13°